// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/wm/public/drag_drop_client.h"

#include "ui/aura/window.h"
#include "ui/aura/window_property.h"

DECLARE_WINDOW_PROPERTY_TYPE(aura::client::DragDropClient*)

namespace aura {
namespace client {

    DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
        DragDropClient*, kRootWindowDragDropClientKey, NULL);

    void SetDragDropClient(Window* root_window, DragDropClient* client)
    {
        DCHECK_EQ(root_window->GetRootWindow(), root_window);
        root_window->SetProperty(kRootWindowDragDropClientKey, client);
    }

    DragDropClient* GetDragDropClient(Window* root_window)
    {
        if (root_window)
            DCHECK_EQ(root_window->GetRootWindow(), root_window);
        return root_window ? root_window->GetProperty(kRootWindowDragDropClientKey) : NULL;
    }

} // namespace client
} // namespace aura
